UNIT - 1 ==>1. '''PRO[1]->Write a program to swap two numbers without taking a temporary variable''' a = int ( input ( 'enter Num1: ' )) b = int ( input ( 'enter Num2: ' )) print ( ":::BEFORE SWAP:::" ) print ( f 'Num1= { a } ' ) print ( f 'Num2= { b } ' ) b , a = a , b print ( ":::AFTER SWAP:::" ) print ( f 'Num1= { a } ' ) print ( f 'Num2= { b } ' ) ==>2. '''PRO[2]->Write a program to display sum of two complex numbers''' # Define two complex complex_num1_real = float ( input ( 'Enter Num1_real: ' )) #3 + 2j complex_num1_imag = float ( input ( 'Enter Num1_imag: ' )) complex_num2_real = float ( input ( ' \n Enter Num2_real: ' )) #2 + 2j complex_num2_imag = float ( input ( 'Enter Num2_imag: ' )) complex_num1 = complex ( complex_num1_real , complex_num1_imag ) complex_num2 = complex ( complex_num2_real , comple